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Finding the Fourth Proportional to 165,577.92, 248,403.92 and 60,396.90

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Solution

The fourth proportional to 165,577.92, 248,403.92 and 60,396.90 is: 90,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,577.92 : 248,403.92 = 60,396.90 : x
  2. Step 2: Convert to fraction form
    165,577.92/248,403.92 = 60,396.90/x
  3. Step 3: Cross multiply
    165,577.92x = 248,403.92 × 60,396.90
  4. Step 4: Simplify right side
    165,577.92x = 15,002,826,715.85
  5. Step 5: Solve for x
    x = 15,002,826,715.85/165,577.92
  6. Step 6: Final answer
    x = 90,608.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.